Riley Mercer Richards, PA-C
Physician Assistant · Philadelphia, PA
Riley Mercer Richards, PA-C is a physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1215615463, issued on Jul 7, 2023. Check the license (Pennsylvania MA064609, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Riley Mercer Richards
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA064609 PA
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Allegheny Ave, Philadelphia, PA 19133
- Phone
- (215) 291-2500
- Enumerated
- Jul 7, 2023
- Record last updated
- Jul 13, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 401 W Allegheny Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Riley Mercer Richards in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA064609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% more Medicare Part D claims than the average physician assistant in 2024
1,296 Medicare Part D claims for 233 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium135 claims
- Olmesartan Medoxomil68 claims
- Hydrochlorothiazide57 claims
- Metformin Hcl49 claims
- Amlodipine Besylate48 claims
- Ozempic47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $229.88
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Riley Mercer Richards among 8,020 physician assistant records in Pennsylvania
Riley Mercer Richards, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.
- NPI issued2023 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
955 physician assistant records list a practice address in Philadelphia
They are 955 of the 42,849 NPPES records with a practice address in Philadelphia, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Philadelphia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelso BlazePhiladelphia, PA 191331255096707
- Aida Gallagher, PA-CPhiladelphia, PA 191331730324013
- Sophia Govorov, P.A.-CPhiladelphia, PA 191331316267222
- Mark Lyons, PA-CPhila, PA 191331245441534
- Gary Petner, PA-CPhiladelphia, PA 191331679545750
- Laura Pittaluga, PA-CPhiladelphia, PA 191331285319657
- Eric Quinn, PA-CPhiladelphia, PA 191331144009739
- Kelly Rembolt, PA-CPhiladelphia, PA 191331528580792
Common questions
What is Riley Mercer Richards, PA-C's NPI number?
Riley Mercer Richards, PA-C's National Provider Identifier (NPI) is 1215615463, issued on Jul 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Riley Mercer Richards, PA-C located?
The NPPES record lists a practice address at 401 W Allegheny Ave, Philadelphia, PA, 19133. Phone: (215) 291-2500. Providers update this record themselves, so call before visiting.
How can I verify Riley Mercer Richards, PA-C's license?
NPPES lists Pennsylvania license number MA064609, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Riley Mercer Richards, PA-C prescribe under Medicare Part D?
In 2024, Riley Mercer Richards, PA-C had 1,296 Medicare Part D claims for 233 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.